Read API guidelines in cowin website. Don't take code if you can't understand it.
License:
MIT, For educational purposes only.
To book vaccine:
Prepare bookVaccine.js with data => Login to cowin website => Inject the code to console
To reload the page and enter mobile number automatically when current session expires:
Firefox: Add your number in reLoader.js => go to about:debugging => This firefox => Load temp addon => Show manifest.js to firefox
Chrome : Add your number in reLoader.js => go to chrome://extensions/ => Toggle developer mode => Load unpacked => Show manifest.js to chrome